/*
 *    Copyright 2009-2012 the original author or authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.apache.ibatis.reflection.property;

import java.util.Locale;

import org.apache.ibatis.reflection.ReflectionException;

/**
 * @author Clinton Begin
 */
public class PropertyNamer {

	public static String methodToProperty(
			String name) {
		if (name.startsWith("is")) {
			name = name.substring(2);
		} else if (name
				.startsWith("get")
				|| name.startsWith("set")) {
			name = name.substring(3);
		} else {
			throw new ReflectionException(
					"Error parsing property name '"
							+ name
							+ "'.  Didn't start with 'is', 'get' or 'set'.");
		}

		if (name.length() == 1
				|| (name.length() > 1 && !Character
						.isUpperCase(name
								.charAt(1)))) {
			name = name
					.substring(0, 1)
					.toLowerCase(
							Locale.ENGLISH)
					+ name.substring(1);
		}

		return name;
	}

	public static boolean isProperty(
			String name) {
		return name.startsWith("get")
				|| name.startsWith("set")
				|| name.startsWith("is");
	}

	public static boolean isGetter(
			String name) {
		return name.startsWith("get")
				|| name.startsWith("is");
	}

	public static boolean isSetter(
			String name) {
		return name.startsWith("set");
	}

}
